A richly and emblematically embroidered vestment worn by the high-priest of the Jews, and consisting of two parts, one covering the breast and supporting the breastplate, and the other covering the back, these being clasped to the shoulders by two onyx stones, with names inscribed on them, six on each, of the 12 tribes, and the whole bound round the waist with a girdle of gold, blue, purple, scarlet, and fine-twined linen.